Can't give you a number like that.
N is only part of the requirements for a healthy turf.
'98 chevy 2500 4x4 w/ meyer poly plow
44" Toro proline w/velkie 15hp kohler
various mowers (18-21-22")
Stihl stick edger, wb power edger
Toro backpack blowers
8HP Little Wonder
200 gal. elec. spray unit-lesco spreader